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March 30, 2024

AT&T confirms data for 73 million customers leaked on hacker forum

AT&T has finally confirmed it is impacted by a data breach affecting 73 million current and former customers after initially denying the leaked data originated from them.

AT&T says leaked data set impacts about 73 million current, former account holders

Telecom company AT&T(T.N), opens new tab said on Saturday that it is investigating a data set released on the "dark web" about two weeks ago, and said that its preliminary analysis shows it has impacted approximately 7.6 million current account holders and 65.4 million former account holders.
The company said the data set appears to be from 2019 or earlier. AT&T said it does not have evidence of unauthorized access to its systems resulting from the incident.

The Darkside of TheMoon

Executive Summary The Black Lotus Labs team at Lumen Technologies has identified a multi-year campaign targeting end-of-life (EoL) small home/small office (SOHO) routers and IoT devices, associated with an updated version of “TheMoon” malware. TheMoon, which emerged in 2014, has been operating quietly while growing to over 40,000 bots from 88 countries in January and

EU bans anonymous crypto payments to hosted wallets

In a recent regulatory development, the European Union (EU) has voted to ban cryptocurrency payments to "hosted wallets" using unidentified self-custody crypto wallets.

Key Lesson from Microsoft's Password Spray Hack: Secure Every Account

In January 2024, Microsoft discovered they'd been the victim of a hack orchestrated by Russian-state hackers Midnight Blizzard (sometimes known as Nobelium). The concerning detail about this case is how easy it was to breach the software giant. It wasn't a highly technical hack that exploited a zero-day vulnerability – the hackers used a simple password spray attack to take control of an old, inactive account. This serves as a stark reminder of the importance of password security and why organizations need to protect every user account.

Details and Lessons Learned From the Ransomware Attack on the British Library

The British Library has shared details on the destructive ransomware attack it experienced in October 2023. Although the attack on the national library of the UK occurred five months ago, the Library’s infrastructure won’t be rebuilt until mid-April 2024, and then the full restoration of systems and data can begin.

XZ Utils backdoor

This page is short for now but it will get updated as I learn more about the incident. Most likely it will be during the first week of April 2024.

The Git repositories of XZ projects are on git.tukaani.org.

xz.tukaani.org DNS name (CNAME) has been removed. The XZ projects currently don’t have a home page. This will be fixed in a few days.

Les attaques informatiques contre les ENT continuent dans le Nord ...

La semaine dernière, des menaces d'attentats ont été envoyés aux élèves, aux personnels et aux familles suite au piratage de l'environnement numérique de travail de la région Ile de France. Cette fois, c'est l'académie de Lille qui est touchée, et ce dans un contexte sécuritaire inquiétant.

PHP Obfuscator with Backdoor

An online tool offers a service to obfuscate PHP code, but it also silently inserts a backdoor into the code that allows any other PHP code to be executed!